/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/AbilitySystemComponent.h
Returns an array with all abilities bound to an Input ID value
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, BlueprintPure=false, Category="Gameplay Abilities") void FindAllAbilitiesWithInputID ( [TArray](API\Runtime\Core\Containers\TArray)< [FGameplayAbilitySpecHandle](API\Plugins\GameplayAbilities\FGameplayAbilitySpecHandle) > & OutAbilityHandles, int32 InputID ) const